(a) Upon the approach of a law enforcement vehicle which is sounding a siren or displaying a blue or blue and white signal lamp, or both, or upon the approach of an ambulance, fire apparatus, a vehicle operated by a volunteer firefighter, EMS personnel, or a motor vehicle used in rescue operations as set forth in section 1252 of this title which is sounding a siren or displaying a red signal lamp, or both, all other vehicles shall pull to the right of the lane of traffic and come to a complete stop, until the law enforcement or emergency vehicle has passed. However, an enforcement officer who is present shall have full power to regulate traffic irrespective of the foregoing provisions.

(b) The operator of a vehicle which is approaching a stationary law enforcement vehicle which is displaying a blue or blue and white signal lamp, or of a vehicle which is approaching a stationary ambulance, fire apparatus, a vehicle operated by a volunteer firefighter, or a motor vehicle used in rescue operations as set forth in section 1252 of this title which is displaying a red signal lamp, or a stationary towing and repair vehicle displaying an amber signal lamp, shall proceed with caution, and, if traveling on a four-lane highway, and safety conditions permit, make a lane change.

(c) This section does not relieve the operator of an authorized law enforcement or emergency vehicle from the duty to drive with due regard for the safety of all persons using the highway. (Added 1971, No. 258 (Adj. Sess.), § 3, eff. March 1, 1973; amended 2001, No. 84 (Adj. Sess.), § 1; 2005, No. 175 (Adj. Sess.), § 54.)